Hello... I've got a 580C as well...I was running it home last winter and suddenly started to lose power... barely made it back like a lame duck...I checked fuel, new filters, return line clear, etc...I couldn't get it to rev up...just idle...anyways, I ended up removing pump which was a bit_h to get back stud nut off... I went to pour fuel out from inside pump shaft and a bunch of small black pieces of hard plastic came out... you mention "flex-ring" and I am thinking that is my problem...plugging up fuel passages...what do u think?...big job to replace? and recommendations?... ie rebuild kit?... thanks for feedback
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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